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<h1>navo/algorithm/crypto/symmetric/tea.h</h1>  </div>
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<a href="tea_8h.html">浏览该文件的文档。</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */</span>
<a name="l00011"></a>00011 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#pragma once</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* #ifdef _MSC_VER */</span>
<a name="l00014"></a>00014 
<a name="l00015"></a>00015 <span class="preprocessor">#ifndef __NV_TEA__</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define __NV_TEA__</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include &quot;<a class="code" href="cdef_8h.html" title="Definitions and declarations for common constants, types, variables.">../../../port/cdef.h</a>&quot;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &quot;<a class="code" href="integer_8h.html" title="Provides standard integer types.">../../../port/integer.h</a>&quot;</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {
<a name="l00023"></a>00023 <span class="preprocessor">#endif </span><span class="comment">/* #ifdef __cplusplus */</span>
<a name="l00024"></a>00024 
<a name="l00035"></a><a class="code" href="structtea__key.html">00035</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00037"></a><a class="code" href="structtea__key.html#a66950ff8726c260e005423c9aeefad74">00037</a>     uint32_t sk[4];
<a name="l00038"></a>00038 }<a class="code" href="structtea__key.html" title="TEA密钥">tea_key</a>, <a class="code" href="structtea__key.html" title="TEA密钥">xtea_key</a>;
<a name="l00039"></a>00039 
<a name="l00044"></a><a class="code" href="group__TEA.html#ga252a19da7f2ffcbd432d99b2c6c70bf9">00044</a> <span class="preprocessor">#define TEA_KEY(name) tea_key name = {{0}}</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00050"></a><a class="code" href="group__TEA.html#ga93e61bc2bc649f3985679d551120bb04">00050</a> <span class="preprocessor">#define XTEA_KEY(name) xtea_key name = {{0}}</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00058"></a>00058 NV_API <span class="keywordtype">void</span> <a class="code" href="group__TEA.html#gaa86c31302c66ffbff07ab81f3c449ae2" title="设置TEA密钥">tea_set_key</a>(<a class="code" href="structtea__key.html" title="TEA密钥">tea_key</a>* key, <span class="keywordtype">void</span>* src_key);
<a name="l00059"></a>00059 
<a name="l00060"></a>00060 NV_API <span class="keywordtype">void</span> __tea_encrypt(uint32_t* sk, uint32_t* dst, uint32_t* src);
<a name="l00061"></a>00061 
<a name="l00069"></a><a class="code" href="group__TEA.html#ga9bcfe191b3b14287169ec5cc4108f656">00069</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__TEA.html#ga9bcfe191b3b14287169ec5cc4108f656" title="TEA加密一个区块(8字节)">tea_encrypt_block</a>(<a class="code" href="structtea__key.html" title="TEA密钥">tea_key</a>* key, <span class="keywordtype">void</span>* dst, <span class="keywordtype">void</span>* src)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071     __tea_encrypt(key-&gt;<a class="code" href="structtea__key.html#a66950ff8726c260e005423c9aeefad74" title="密钥">sk</a>, (uint32_t*)dst, (uint32_t*)src);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 NV_API <span class="keywordtype">void</span> __tea_decrypt(uint32_t* sk, uint32_t* dst, uint32_t* src);
<a name="l00075"></a>00075 
<a name="l00083"></a><a class="code" href="group__TEA.html#gae9461888506778a29e37303825a39e79">00083</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__TEA.html#gae9461888506778a29e37303825a39e79" title="TEA解密一个区块(8字节)">tea_decrypt_block</a>(<a class="code" href="structtea__key.html" title="TEA密钥">tea_key</a>* key, <span class="keywordtype">void</span>* dst, <span class="keywordtype">void</span>* src)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085     __tea_decrypt(key-&gt;<a class="code" href="structtea__key.html#a66950ff8726c260e005423c9aeefad74" title="密钥">sk</a>, (uint32_t*)dst, (uint32_t*)src);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 
<a name="l00094"></a><a class="code" href="group__TEA.html#ga1fb06e844a2766aaac9a192c0a8cc896">00094</a> <span class="preprocessor">#define xtea_set_key(key, src_key) tea_set_key(key, src_key)</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span>
<a name="l00096"></a>00096 NV_API <span class="keywordtype">void</span> __xtea_encrypt(uint32_t* sk, uint32_t* dst, uint32_t* src);
<a name="l00097"></a>00097 
<a name="l00105"></a><a class="code" href="group__TEA.html#gab6a07bc944ea57725b20796ca865bf9b">00105</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__TEA.html#gab6a07bc944ea57725b20796ca865bf9b" title="XTEA加密一个区块(8字节)">xtea_encrypt_block</a>(xtea_key* key, <span class="keywordtype">void</span>* dst, <span class="keywordtype">void</span>* src)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107     __xtea_encrypt(key-&gt;<a class="code" href="structtea__key.html#a66950ff8726c260e005423c9aeefad74" title="密钥">sk</a>, (uint32_t*)dst, (uint32_t*)src);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 
<a name="l00110"></a>00110 NV_API <span class="keywordtype">void</span> __xtea_decrypt(uint32_t* sk, uint32_t* dst, uint32_t* src);
<a name="l00111"></a>00111 
<a name="l00119"></a><a class="code" href="group__TEA.html#ga6abe8f001cc8add94445370fc7271a49">00119</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__TEA.html#ga6abe8f001cc8add94445370fc7271a49" title="XTEA解密一个区块(8字节)">xtea_decrypt_block</a>(xtea_key* key, <span class="keywordtype">void</span>* dst, <span class="keywordtype">void</span>* src)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121     __xtea_decrypt(key-&gt;<a class="code" href="structtea__key.html#a66950ff8726c260e005423c9aeefad74" title="密钥">sk</a>, (uint32_t*)dst, (uint32_t*)src);
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 
<a name="l00126"></a>00126 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00127"></a>00127 <span class="preprocessor"></span>}
<a name="l00128"></a>00128 <span class="preprocessor">#endif </span><span class="comment">/* #ifdef __cplusplus */</span>
<a name="l00129"></a>00129 
<a name="l00130"></a>00130 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef __NV_TEA__ */</span>
<a name="l00131"></a>00131 
</pre></div></div>
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